This is Volume XXI of thirty-two in a series of Developmental Psychology. Originally published in...

First published in 1974. This is Volume VIII of selected works of Jean Piaget which along with Bu...

Although originally published in France in 1951 this English translation was not published unt...

First published in English in 1969, the book opens with a chapter by Pierre Oleron on intellectua...

This is Volume XXI of thirty-two in a series of Developmental Psychology. Originally published in...

Although originally published in France in 1951 this English translation was not published unt...

First published in 1974. This is Volume VIII of selected works of Jean Piaget which along with Bu...

This is Volume XIX of thirty-two in a series on Developmental Psychology. Originally published in...

First published in English in 1969, the book opens with a chapter by Pierre Oleron on intellectua...

In the course of their researches for Mental Imagery in the Child (1971), the authors c...

In the course of their researches for Mental Imagery in the Child (1971), the authors c...